extract note as citation

extractNote

var c = document.querySelector('.e-content').innerHTML;
var a = document.querySelector('.u-url');
var w = window.open('', '', 'width=400,height=200');
w.document.write(`<textarea style="width:90vw;height:80vh"><p><cite class="h-cite">Note on <a class="u-url" href="${a.href}">${a.innerText}</a></cite></p><blockquote>${c.trim()}</blockquote></textarea>`);
var t = w.document.querySelector('textarea');
t.addEventListener('click', function(){ t.select(); });